Connect with Wi-Fi
Some Wi-Fi networks are open and you can simply connect your phone to them to browse the Internet. Other Wi-Fi networks have security features that require passwords or digital certificates so only authorised users can connect.
To extend the life of your battery between charges, turn off Wi-Fi when you're not in a location with access to Wi-Fi. You can also set your device to disconnect automatically from Wi-Fi networks when it's sleeping.
You can select a preferred Wi-Fi network. You will automatically connect to the preferred network when you're in range.
To search for and connect with available Wi-Fi networks:
- Go to Settings and touch
. Turn Wi-Fi on.
- Touch the Wi-Fi network you want to connect to.
- If the network is a secure one, enter the password.
When your phone is connected, 
appears in the status bar.